Look a few of rambo47's suggestions to fully understand the method. dont rush

Definitely! While disassembling/reassembling a BlackBerry is not brain surgery, it's definitely wise to have a little familiarity with the process. Just wading into the project and relying on your innate ability to figure it out on the fly is a recipe for disaster. There are often tips/tricks you should know and they vary for each model. There are also little 'gotchas' that you don't want to learn about the hard way. Taking extra care with certain connections, etc.